Earthquakes Flashcards
1
Q
What is an earthquake?
A
An earthquake is the sudden movements of the Earths tectonic plates
2
Q
Where and when do earthquakes occur?
A
Earthquakes are unpredictable and occur at all different types of plate boundaries at fault lines.
3
Q
What is the epicentre?
A
The point of the earthquake on the surface
4
Q
What is a fault line?
A
A weakness in the crust
5
Q
What is the focus?
A
The focus is the point where the earthquake occurs below the crust
6
Q
What is the richter scale?
A
The Richter scale measures the magnitude of an earthquake
7
Q
What does the Richter scale go up in?
A
Jumps a ten-fold increase
8
Q
What is a tsunami?
A
Tsunamis are huge fast moving sea waves created by an underwater earthquake.
